Rare earth active ion doped calcium magnesium silicate laser crystal as well as preparation method and application thereof

A technology of activating ions, magnesium calcium silicate, applied in lasers, crystal growth, laser parts and other directions, can solve the problems of unsuitable laser diode pumping, narrow absorption spectrum, etc., achieve excellent optical properties, easy raw materials, etc. the effect of good thermal conductivity

Inactive Publication Date: 2016-08-24
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it has the disadvantage of narrow absorption spectrum and is not suitable for pumping by laser diode pumping. Laser diode pumping will be the development direction of laser pumping sources in the future.

Method used

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  • Rare earth active ion doped calcium magnesium silicate laser crystal as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Growth of Yb by pulling method 3+ :CaMgSi 2 o 6 crystals.

[0021] will be according to the molecular formula Yb 3+ :CaMgSi 2 o 6 The molar ratio of each substance in the accurately weighed CaCO 3 , MgO, Yb 2 o 3 and SiO 2 Mix and grind in a ball mill evenly. After tableting, react in solid phase at 1000°C for 24 hours in a muffle furnace. After taking it out, grind and tablet again, and heat up to 1100°C for 24 hours. Load the above synthesized samples into In the iridium gold crucible, put it into the pulling furnace, adopt the pulling method, in N 2 In the atmosphere, when the growth temperature is 1500°C, the crystal rotation speed is 30 rpm, and the pulling speed is 0.8 mm / hour, a crystal with a size of φ32×25mm is grown. 3 High quality Yb 3+ :CaMgSi 2 o 6 crystals.

Embodiment 2

[0022] Example 2: Growth of Tm by pulling method 3+ :CaMgSi 2 o 6 crystals.

[0023] will be by molecular formula Cr 3+ :CaMgSi 2 o 6 The molar ratio of each substance in the accurately weighed CaCO 3 , MgO, Tm 2 o 3 and SiO 2 Mix and grind in a ball mill evenly. After tableting, react in solid state at 800°C for 24 hours in a muffle furnace. After taking it out, grind and tablet again, and heat up to 1100°C for 24 hours. Load the above synthesized samples into In the iridium crucible, put it into the pulling furnace, adopt the pulling method, in the Ar atmosphere, the growth temperature is 1500 ° C, the crystal rotation speed is 10 rpm, and the pulling speed is 0.3 mm / hour. Out size is φ30×22mm 3 high quality Tm 3+ :CaMgSi 2 o 6 crystals.

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Abstract

The invention relates to a growing method and an application of an Ln<3+> rare earth active ion doped calcium magnesium silicate laser crystal, wherein Ln<3+> is equal to Nd, Yb, Tm, Dy, Er and Ho. The crystal belongs to a monoclinic crystal system, the space group is C12 / c1, and cell parameters are as follows: a is equal to 9.741 angstroms, b is equal to 8.901 angstroms, c is equal to 5.257 angstroms, beta is equal to 105.97 degrees, V is equal to 439.1 angstroms <3>, Z is equal to 4 and Dc is equal to 3.271g / cm<3>. Trivalent rare earth ions can replace lattice sites of divalent calcium ions in the crystal. The compound is a congruent melting compound and has a melting point of 1,500 DEG C, and the crystal with high optical quality and large size is easily grown with a pulling method. The crystal can be taken as a laser crystal. A laser prepared from the crystal is expected to produce efficient laser light and has significant application in the fields of social production, military, medicine, science and the like.

Description

technical field [0001] The invention relates to the technical field of optoelectronic functional materials, especially the field of laser crystal materials. Background technique [0002] In recent years, with the rapid development of laser technology, it has been widely used in many fields such as optics, communication, medicine, and military affairs. In particular, all-solid-state lasers have attracted people's attention because of their small size, low price, and simple structure. All solid-state lasers generally generate laser light by pumping laser crystals with laser diodes. The so-called laser crystal is composed of matrix crystals and active ions. Its various physical and chemical properties are determined by the matrix crystals, while its spectral characteristics and fluorescence lifetime are determined by the active ions. [0003] At present, the most widely used laser crystal is yttrium aluminum garnet crystal doped with neodymium ions, which has good physical and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C30B29/34C30B15/00H01S3/16
CPCC30B29/34C30B15/00H01S3/1658
Inventor 黄溢声苑菲菲孙士家张莉珍林州斌
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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